624660123947 has 2 divisors, whose sum is σ = 624660123948. Its totient is φ = 624660123946.

The previous prime is 624660123911. The next prime is 624660123953. The reversal of 624660123947 is 749321066426.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 624660123947 - 2¹² = 624660119851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 624660123895 and 624660123904.

It is not a weakly prime, because it can be changed into another prime (624660123247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312330061973 + 312330061974.

It is an arithmetic number, because the mean of its divisors is an integer number (312330061974).

Almost surely, 2^624660123947 is an apocalyptic number.

624660123947 is a deficient number, since it is larger than the sum of its proper divisors (1).

624660123947 is an equidigital number, since it uses as much as digits as its factorization.

624660123947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 50.

The spelling of 624660123947 in words is "six hundred twenty-four billion, six hundred sixty million, one hundred twenty-three thousand, nine hundred forty-seven".